jon huntsman was literally running to the white house. in atlanta, participants and a peach tree race were trying to survive 10 kilometers. nothing like the annual nathan's hot dog eating contest on coney island. in dallas, american warriors got a hearty welcome home. in afghanistan, a group of american soldiers took the stake to reenlist. david petraeus is about to become the next cia director and was there to say goodbye and thank you. >> under out that can never thank you enough. >> -- america can never say thank you and not. -- enough. >> nasa says it will be flying its air pollution research flight again tomorrow. the large plane carries nine scientific instruments that measure air quality. if you see that low-flying aircraft, there is no cause for concern. it will take place over the baltimore-washington corridor. >> there is much more ahead. >> a big welcome home for heroes returning home from war. we will take you to their arrival. >> md. special olympians are having a great day. >> there are some scattered storms out to our west.